const express = require('express');
const app = express();

// 设置跨域
app.all('*', (req, res, next) => {
    res.header('Access-Control-Allow-Origin', '*');
    res.header('Access-Control-Allow-Headers', 'X-Requested-With');
    res.header('Access-Control-Allow-Methods', 'PUT,POST,GET,DELETE,OPTIONS');
    res.header('X-Powered-By', '3.2.1');
    res.header('Content-type', 'application/json;charset=utf-8');
    next();
});

// exports.app
module.exports = app;